Advertisement
Guest User

Untitled

a guest
Mar 19th, 2018
109
0
Never
Not a member of Pastebin yet? Sign Up, it unlocks many cool features!
text 0.56 KB | None | 0 0
  1. Ex: Medida: 0.326V
  2. Escala: 6V
  3.  
  4. Incerteza de leitura:
  5. -> menor divisao: 0.001V
  6. Portanto: 0.001/2*sqrt(3) = 0.326 +- 0.0008660254038
  7.  
  8. Incerteza de calibração:
  9. -> precisão da calibração: +- 0.3% + 2d = .3% da medida + 2*(menor divisao)
  10. Portanto: 0.326*0.3% + 2*0.001 = 0.002978 para mais ou para menos
  11. -> Aplicando a incerteza pardrao (2*0.002978)/2*sqrt(3) = 0.001719349102
  12.  
  13. A incerteza combinada (raiz da soma dos quadrados) é: sqrt(0.0008660254038^2 + 0.001719349102^2) = 0.001925139303 = 0.002V
  14.  
  15. Portanto a medida é: 0.326 +- 0.002V
Advertisement
Add Comment
Please, Sign In to add comment
Advertisement